Device for the recovery of lubricant from axle boxes



Dec. 27, 1927.

G. EVENO DEVICE FOR THE RECOVERY OF LUBRICANT FROM AXLE BOXES a 0 I 6 1 7 2 9 l B- 1 h m4 .4 M d 9 1 m3 6 g m Patented Dec. 27, 1927.

UNITED STATES PATENT OFFICE.

GEORGES EVENO, 0F PARIS, FRANCE.

DEVICE FOR THE RECOVERY OF LUBRICANT FROM AXLE BOXES.

- Application filed March 18, 1927, Serial No. 176,414, and in France October 25, 1926.

The resent invention relates to devices adapted to prevent leakages of lubricant to the exterior of axle boxes of the rolling ma terial of railways,'tramways and so forth and to recover this lubricant.

In known devices of this type discs in the form of cups have been provi ed, secured to the axle which are adapted to recover the oil whic tends to escape and to project it, under the action of centrifugal force, a ainst the walls of the box. The efiiciency 0 such discs is however very incomplete by reason of the lateral shocks due to the zig-zag movement of the vehicle and the lateral wear which is produced whilst the pad is in operation.

. The present invention has for its object to remedy this disadvanta e, to prevent any leakage of lubricant an to enable it to be recovered by the use of a ring in the form of a double cupof which one portion, the inner cup, acts in thesame manner as the known dlscs, whilst the outer cup is adapted torecover the drops of oil which the first cu may allow to escape.

order that the invention may be readil understood it will be described hereina r, but solel by way of examfile, with relference to t e accompanying rawings w e e l F1 1 is an axial section of the new dev'ioe or recovering oil mounted on an axle.

Figure 2 is a similar view, to a larger scale, of a portion of the ring with the double cup shown alone.

Figure 3 is a side view of the ring, and Figure 4 is a perspective view in an axial plane, partly in section.

In the various figures 1 indicates the ring with the double cups lreyed to the axle 2 .an annular lip 7 extending parallel to the plane of the disc or ring 1.

This device operates as follows:

The lubricant is projected by the wall 9 under the action of centrifugal force, the annular lip serving to facilitate the detach- (Fi 1) between the'pad 3 and the lateral wall of t ment of dr'ops of oil from the wall 9. But when the centrifugal force is insuflicient to cause the lubricant to reach the wall of the body of the box 4, the drops of oil remain in suspension and fall by gravity on the outer face of thiswall 9, that is to say, into the outer cu 12 by reason also of the presence of-the i 7 which brings thedrops of oil towards t e bottom of the cup 12.

The projections of the two edges 5 and 6 are calculated in such a manner that the edge of the. second will be a suitable distance from that of the first. This distance corresponds, generally, to the permissible wear of the pads during operation in such a manner that the lubricant which is insufiiciently rejected b centrifugal force is necessari y recovere by the second cup 12. This device with the double cup therefore enables the lubricant to be com letely recovered and renders the zone of eakage of axle boxes substantially fluid-ti ht. It may however be mentioned that the ateral movement of the vehicles which increases in proportion to the wear of the pad during operation, facilitates the conveyance of the lubricant towards the outer cup 12 of the ring by which it is recovered. It will be understood that without departmg from the scope of the invention, various modifications ma be made which do i not alter the spirit t ereof. Thus the form of construction shown in Fi e 1 which is more particularly applicab e to the axle of a Whole of a railway rovided with the end of the axle outside t e wheel, ma also be ap lied to vehicles with a chassis inside the w eels and also to axles of vehicles other than those of material rolling on rails, automobile vehicles for example. The new device may also be employed on the bearing blocks of stationary machines, motor machines or the like, especially those rotating at high speeds.

Having thus described my invention, what I claim as new and desire to secure by Le-.

' other, the rim of smaller width being adjalar rims of difierent diameter secured concentrically to one face of the disc, one of said rims being of greater width than the cent the edge of the disc, said rim of smal er width being provided with an internal annular groove adjacent the point of its engagement with the said disc.

3. A device of the character described comprising an annular disc, and two annular rims of difierent diameter secured concentrically to one face of the disc, one of said rims being of greater width than the other, the rim of smaller width being adjacent the edge of the disc, .the inner rim being provided with an annular lip extending in a plane parallel with the plane of the disc.

4. A device of the character described width 'eing of tapered section, and having 25 an annular groove formed on its inner surface adjacent the point of its en agemeut with the said disc, said rim of smal er width also having transverse grooves in its inner surfaces, said grooves extending from the outer edge of said rim to said annular groove.

In testimony whereof, I have signed my name to this specification.

GEORGES EVENO.

lar rims of difierent diameter secured concentrically to one face of the disc, one of said rims being of greater width than the other, the rim of smaller width being adjacent the edge of the disc, said rim of smaller width being provided with an internal annular groove adjacent the point of its engagement with the said disc.

3. A device of the character described comprising an annular disc, and two annular rims of difl'erent diameter secured concentrically to one face of the disc, one of said rims being of greater width than the other, the rim of smaller width being adjacent the edge of the disc, .the inner rim being provided with an annular lip extending in a plane parallel with the plane of the disc.

4. A device of the character described comprising an annular disc, and two annular rims of difi'erent diameter secured concentrically to one face of the disc, one of said rims being of greater width than the other, the rim of smaller width being adjacent the ed e of the disc, said rim of smaller width eing of tapered section, and having an annular groove formed on its inner surface adjacent the point of its engagement with the said disc. said rim of smaller width also having transverse grooves in its inner surfaces, said grooves extending from the outer edge of said rim to said annular groove.

In testimony whereof, I have signed my name to this specification.

GEORGES EVENO.

CERTIFICATE OF CORRECTION.

Patent No. l, 653, 950.

Granted December 27, 1927. to

GEORGES EvENof It is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows:

Page 1, line 65, after the figure "12", insert the paragraph, The annular recess 8 retains this recovereddubricant until the vehicle stops and the transverse passages 10 distribute it uniformly over the inner surface of the projecting edge 6, enabling the lubricant to flow back into the receptacle 13.; and that the said Letters Patent should be read with this correction therein that the same n1 case in the Patent Office.

Signed and sealedthis 29th day of May, A. D. 1928.

(Seal) M. J. Moore,

ay conform to the record of the Acting Commissioner of Patents.

' CERTIFICATE OF CORRECTION.

Patent No. 1,653,950. Granted December 27, 1927. to

GEORGES EVENOC it is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows: Page 1, line 65, after the figure "12", insert the paragraph, The annular recess 8 retains this recoveruniformly over the inner surface of the projecting edge 6, enabling the. lubricant to flow back into thereceptacle 13.; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 29th day of May, A. D. 1928.

M. J. Moore, Acting Commissioner of Patents. 

